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IBM AIX Tips and Tricks
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<h2>IBM AIX Tips and Tricks</h2>
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<h3>Accounts</h3>
<ul>
<li>A document that <a href="system_special_accts.txt">describes the default set of user accounts</a>.
</ul>

<h3>Archiving</h3>
<ul>
<li>Document describing how to <a href="archive_rawlv.txt">archive raw logical volumes using dd</a>.
</ul>

<h3>Booting</h3>
<ul>
<li>How to <a href="boot_serv_mode.txt">boot your server into Service mode (aka Maintenance mode)</a>.
</ul>

<h3>CDE</h3>
<ul>
<li>Having problems making <a href="cde_and_hacmp.txt">CDE work with HACMP</a>?
</ul>

<h3>CD-ROM</h3>
<ul>
<li>How can I <a href="aix_cdrom.html">find the CD-ROM device on AIX</a>?
</ul>

<h3>Cron</h3>
<ul>
<li>Trying to get your <a href="cron_trick.txt">cron job to run every other week</a>?
</ul>

<h3>Disks</h3>
<ul>
<li>List all the <a href="freedisks.txt">disks that are currently not being used, where they are, and what their size is</a>.
<li>List all the info about which <a href="diskinfo.txt">logical volumes reside on which disks</a>.
</ul>

<h3>Documentation</h3>
<ul>
<li><a href="http://www.pimpworks.org/ibm/aix.txt">AIX Command Crib Sheet</a> <a href="http://www.linux-france.org/~mdecore/aix/AIX_COMMANDES.PDF">PDF</a>
<li><a href="http://www.pimpworks.org/ibm/">Pimpin' Networks IBM resources</a>
<li>IBM has lots of good <a href="redbooks.html">Redbooks</a> to help you.
<li>Various articles from <a href="http://www.samag.com/articles/2001/0106/supplement/">SysAdmin magazine</a> about AIX administration.
</ul>

<h3>FAQ</h3>
<ul>
<li><a href="http://www.han.de/~jum/aix/aixfaq.pdf">AIX FAQ</a> (PDF)
</ul>

<h3>Filesystems</h3>
<ul>
<li><a href="reduce_filesystem_size.txt">How to reduce the /var or /tmp filesystem</a>.
<li>When using raw logical volumes, does <a href="raw_vs_jfs.txt">VMM or sync handle the updates</a>?
<li>How to <a href="full_filesystem.txt">resolve issues with local JFS filesystems that have run out of available space</a>.
</ul>

<h3>Hardware</h3>
<ul>
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<li>What position is the <a href="http://www.mort.level5.net/johnr/shell/keysw.txt">keyswitch on my RS6000</a>?
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<li>How can I <a href="processor_speeds.txt">determine the CPU Speed in my AIX server the IBM way</a> or the <a href="cpu_speed.txt">easier script method to find out how fast your CPU is running</a>?
<li><a href="get_serial_num.txt">Figure out the serial number of your server</a>, even if it isn't near you.
</ul>

<h3>Links</h3>
<ul>
<li>This should be the <a href="http://rootvg.net/">first site you go to for info on AIX</a>.
</ul>

<h3>LVM</h3>
<ul>
<li><a href="http://www.redbooks.ibm.com/redbooks/pdfs/sg245432.pdf">Logical Volume Manager intro and concepts</a> (pdf)
<li><a href="http://www.redbooks.ibm.com/redbooks/pdfs/sg245433.pdf">LVM commands and Troubleshooting tips</a> (pdf)
</ul>

<h3>Network</h3>
<ul>
<li>Script to figure out <a href="adapter_speed_ck.txt">what speed your network adapter</a> is using.
<li><a href="http://ist.uwaterloo.ca/security/howto/2001-01-15/">AIX 4.3 Network Hardening</a> paper
</ul>

<h3>OS</h3>
<ul>
<li>What is the best way to <a href="system_install_date.txt">determine when a system was installed</a>?
<li>How to <a href="recover_root_passwd.txt">recover the root password in AIX 4.x</a>.
<li>Use <a href="errptchk.txt">errpt to check if there are any errors you should know about</a>.
<li>Why <a href="df_du_diff_out.txt">du and df don't return the same ouput</a>.
<li>Check to see if the OS is <a href="ck_hardware.txt">running in 32 or 64 bit mode as well as if it is 64 bit capable</a>.
<li>Info about <a href="32to64bit.txt">64-bit mode</a> on AIX.
<li>Some <a href="aix_upgrade_info.txt">5L upgrade gotchas</a> you need to watch out for.
</ul>

<h3>Partitions</h3>
<ul>
<li>How to get the <a href="http://publib-b.boulder.ibm.com/Redbooks.nsf/RedbookAbstracts/tips0105.html?Open">partition number on AIX partitions</a>.
</ul>

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<h3>PCI SCSI RAID</h3>
<ul>
<li>Great notes on your <a href="http://www.mort.level5.net/johnr/howto/aixhow.htm#pciraid">PCI SCSI RAID</a>
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<h3>PVID</h3>
<ul>
<li>How to <a href="assign_specific_PVID.txt">assign a specific PVID</a> when your system won't cooperate.
</ul>

<h3>Rosetta Stones</h3>
<ul>
<li>Compares: <a href="http://www-1.ibm.com/servers/aix/products/aixos/whitepapers/lvm_ver.html">AIX Logical Volume Manager and Veritas Volume Manager</a> (<a href="http://www-1.ibm.com/servers/aix/products/aixos/whitepapers/lvm_ver.pdf">PDF</a>)
<li>Compares: <a href="http://www-1.ibm.com/servers/aix/products/aixos/whitepapers/aixmapping.html">AIX 5.1 and Solaris 8</a> (<a href="http://www-1.ibm.com/servers/aix/products/aixos/whitepapers/aixmapping.pdf">PDF</a>)
<li>Compares: <a href="http://www.unixguide.net/unixguide.shtml">AIX, FreeBSD, HP-UX, Redhat, Solaris, Tru64</a> (<a href="http://www.unixguide.net/unixguide.pdf">PDF</a>)
<li>Compares: <a href="http://www.bhami.com/rosetta.html">Everything and the kitchen sink</a> (<a href="http://www.bhami.com/unix-rosetta.pdf">PDF</a>)
</ul>

<h3>Shell</h3>
<ul>
<li>Lots of <a href="ksh_tips.txt">good info (memory refreshers) on KSH</a>.
</ul>

<h3>SSA</h3>
<ul>
<!--
<li>You can find lots of good SSA info, notes, etc at <a href="http://www.mort.level5.net/johnr/howto/aixhow.htm#ssaaix">John's Unix Resource</a>.
<li>Here are some <a href="http://www.mort.level5.net/johnr/howto/ssatools.txt">SSA tools such as ssaxlate</a> to help you figure what is what.
<li><a href="http://www.mort.level5.net/johnr/howto/ssadiag.txt">ssadiag</a> checks to see if data can be read to/written from the device w/o problems.
<li><a href="http://www.mort.level5.net/johnr/howto/ssaencl.txt">ssaencl</a> allows you to monitor and change the status of your SSA SES enclosures.
<li>You can use <a href="http://www.mort.level5.net/johnr/howto/ssaraid.txt">ssaraid</a> to configure/manage your SSA RAID arrays.
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<li>See what the <a href="check_temp.txt">temperature is on your SSA enclosures</a>.
</ul>

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Many thanks to <b>Chuck Spilman</b> for most of the info here on AIX.
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<a href="mailto:tips@sysunconfig.net?&Subject=IBM Tips Page">Comments, suggestions, complaints, nifty tip to add?</a>
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